Speculation Rules
type: TechArticle
description: Tell the browser which links to prefetch or prerender before the user clicks. Done well, navigations feel instant; done carelessly, you burn bandwidth on pages nobody visits.
language: en
is part of: Web Specification Studio
author: Web Specification Studio
publisher: Web Specification Studio
license: https://creativecommons.org/licenses/by/4.0/
date modified: 2026-06-10T00:00:00.000Z
citation: MDN — Speculation Rules API
  type: CreativeWork
  publisher: MDN
citation: WHATWG HTML — Speculative loading
  type: CreativeWork
  publisher: WHATWG
citation: Chrome for Developers — Speculation Rules
  type: CreativeWork
  publisher: Google
citation: web.dev — Prefetching, prerendering, and service worker precaching
  type: CreativeWork
  publisher: web.dev

Web Specification Studio
type: WebSite

Web Specification Studio
type: Organization

breadcrumb
type: BreadcrumbList
item list element: Home
  type: ListItem
  position: 1
  item: https://webspecification.com/
item list element: Spec
  type: ListItem
  position: 2
  item: https://webspecification.com/spec/
item list element: Performance
  type: ListItem
  position: 3
  item: https://webspecification.com/spec/performance/
item list element: Speculation Rules
  type: ListItem
  position: 4
  item: https://webspecification.com/spec/performance/speculation-rules/